Patent US2733076A successfully refreshed from Google Patents.
US2733076A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Burnett
Assignee: —
•
Filing: —
•
Granted: 1956-01-31
•
Expires: 1973-01-31
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 15:28
CPC Classifications
A; A45; A45C; A45C5/00; A45C5/14; A45C5/143
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US832628A
Cited
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Cited
US2361592A
Cited
US2428954A
Cited
US2439660A
Cited
US2539993A
Cited
US2603505A
Cited
US2661220A
Cited
US2562686A
Cited
US2604333A
Cited
US2590178A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-01-30 | 1959-08-01 | 1960-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-01-30 | 1963-08-01 | 1964-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-01-30 | 1967-08-01 | 1968-01-31 | $7700.00 | Window Closed / Lapsed |